Protective covering



FIG. 1 is a perspective view of my new design of a protective covering;

FIG. 2 is a front view of my design shown in FIG. 1;

FIG. 3 is a rear view of my design shown in FIG. 1;

FIG. 4 is a side view of my design shown in FIG. 1;

FIG. 5 is a top view of my design shown in FIG. 1; and,

FIG. 6 is a bottom view of my design shown in FIG. 1.

The broken lines illustrate environmental structure that does not form any part of the claimed design. 

CLAIM The ornamental design for a protective covering, as shown and described. 